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User scheduling allows the base station to select high quality channel users to improve the transmission performance in a multiuser wireless networks.

User scheduling and Adaptive modulation and coding Edit

Channel aware user scheduling can be implemented with adaptive modulation and coding (AMC) because two techniques rely on the magnitude part of channel stat information. If both techniques are performance based on the same feedback information at a time, we denote as an one-shot approach. On the contrary, we call a two-stage approach which performs user scheduling at the first stage and at the next stage, AMC is implemented.

While the one-shot approach is optimal in the sense of feedback signaling delay, the two-stage approach is efficient for a feedback signaling resource because AMC is usually more sensitive to the quantization error in the channel state information.

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